#include <stdio.h>
int main(){
    char ch_1 = 60;
    char ch_2 = 80;

    printf("ch_1 & ch_2 = %d\n",ch_1  & ch_2);
    printf("ch_1 & ch_2 = %d\n",ch_1  | ch_2);
    printf("ch_1 & ch_2 = %d\n",ch_1  ^ ch_2);

    ch_1 = 0;
    ch_1 |= (0x01 << 1);
    ch_1 |= (0x01 << 3);
    ch_1 |= (0x01 << 5);
    ch_1 |= (0x01 << 7);
    printf("ch_1 = %d\n", ch_1);

    ch_1= -1;
    ch_1 ^= (0x01 << 1);
    ch_1 ^= (0x01 << 3);
    ch_1 ^= (0x01 << 5);
    ch_1 ^= (0x01 << 7);
    printf("ch_1 = %d\n" , ch_1);
    return 0;



}
